Analysis
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max time kernel
149s -
max time network
157s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
16/05/2024, 12:23
Static task
static1
Behavioral task
behavioral1
Sample
3e6cc8f52f84408159b99dced8c95004c33e80879a9c9ed122f36b23298562cd.exe
Resource
win10v2004-20240508-en
General
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Target
3e6cc8f52f84408159b99dced8c95004c33e80879a9c9ed122f36b23298562cd.exe
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Size
4.1MB
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MD5
46c502a3fbe0860867a95e77bdb9955f
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SHA1
f41ab7484c43c8037353e95f80b191be517eae19
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SHA256
3e6cc8f52f84408159b99dced8c95004c33e80879a9c9ed122f36b23298562cd
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SHA512
36dde9178f451b24eb21e0b52231fd73d7cc545cc6a36fe7f34480d805168428d2814bb8f70f89a8bea59cdade4829fbb0e36c675c1a4f9666b90ebbc04f6917
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SSDEEP
98304:N/lx2VB4FLDQS1OmkYbRsTncIxTvyO2P5x7YbDUU8i:dlgkYS1OmbburVLyO2P5x7Yb4E
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/3936-2-0x0000000002D40000-0x000000000362B000-memory.dmp family_glupteba behavioral1/memory/3936-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4804-56-0x0000000002D40000-0x000000000362B000-memory.dmp family_glupteba behavioral1/memory/3936-78-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3936-87-0x0000000002D40000-0x000000000362B000-memory.dmp family_glupteba behavioral1/memory/4804-120-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4804-211-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4964-212-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4964-227-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4964-234-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4964-238-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4964-242-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4964-246-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4964-249-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4964-254-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4964-258-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4964-262-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4964-265-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4964-270-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 996 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4964 csrss.exe 512 injector.exe 3908 windefender.exe 4116 windefender.exe -
resource yara_rule behavioral1/files/0x000900000002342c-222.dat upx behavioral1/memory/3908-224-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4116-228-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3908-230-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4116-235-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4116-243-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 3e6cc8f52f84408159b99dced8c95004c33e80879a9c9ed122f36b23298562cd.exe Set value (str) \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN 3e6cc8f52f84408159b99dced8c95004c33e80879a9c9ed122f36b23298562cd.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss 3e6cc8f52f84408159b99dced8c95004c33e80879a9c9ed122f36b23298562cd.exe File created C:\Windows\rss\csrss.exe 3e6cc8f52f84408159b99dced8c95004c33e80879a9c9ed122f36b23298562cd.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 5052 sc.exe -
pid Process 2864 powershell.exe 1820 powershell.exe 696 powershell.exe 4332 powershell.exe 3200 powershell.exe 4624 powershell.exe 4448 powershell.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 4372 schtasks.exe 540 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1892 = "Russia TZ 3 Standard Time" 3e6cc8f52f84408159b99dced8c95004c33e80879a9c9ed122f36b23298562cd.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-492 = "India Standard Time" 3e6cc8f52f84408159b99dced8c95004c33e80879a9c9ed122f36b23298562cd.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1862 = "Russia TZ 6 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2571 = "Turks and Caicos Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-772 = "Montevideo Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2141 = "Transbaikal Daylight Time" 3e6cc8f52f84408159b99dced8c95004c33e80879a9c9ed122f36b23298562cd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2161 = "Altai Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1892 = "Russia TZ 3 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" 3e6cc8f52f84408159b99dced8c95004c33e80879a9c9ed122f36b23298562cd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-962 = "Paraguay Standard Time" 3e6cc8f52f84408159b99dced8c95004c33e80879a9c9ed122f36b23298562cd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1932 = "Russia TZ 11 Standard Time" 3e6cc8f52f84408159b99dced8c95004c33e80879a9c9ed122f36b23298562cd.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2491 = "Aus Central W. Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-262 = "GMT Standard Time" 3e6cc8f52f84408159b99dced8c95004c33e80879a9c9ed122f36b23298562cd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1842 = "Russia TZ 4 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-201 = "US Mountain Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-411 = "E. Africa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2321 = "Sakhalin Daylight Time" 3e6cc8f52f84408159b99dced8c95004c33e80879a9c9ed122f36b23298562cd.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-82 = "Atlantic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-671 = "AUS Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-42 = "E. South America Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-192 = "Mountain Standard Time" 3e6cc8f52f84408159b99dced8c95004c33e80879a9c9ed122f36b23298562cd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-692 = "Tasmania Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-3142 = "South Sudan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2941 = "Sao Tome Daylight Time" 3e6cc8f52f84408159b99dced8c95004c33e80879a9c9ed122f36b23298562cd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3051 = "Qyzylorda Daylight Time" 3e6cc8f52f84408159b99dced8c95004c33e80879a9c9ed122f36b23298562cd.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-401 = "Arabic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-982 = "Kamchatka Standard Time" 3e6cc8f52f84408159b99dced8c95004c33e80879a9c9ed122f36b23298562cd.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2871 = "Magallanes Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-31 = "Mid-Atlantic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2772 = "Omsk Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-912 = "Mauritius Standard Time" 3e6cc8f52f84408159b99dced8c95004c33e80879a9c9ed122f36b23298562cd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-365 = "Middle East Standard Time" 3e6cc8f52f84408159b99dced8c95004c33e80879a9c9ed122f36b23298562cd.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1042 = "Ulaanbaatar Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1662 = "Bahia Standard Time" 3e6cc8f52f84408159b99dced8c95004c33e80879a9c9ed122f36b23298562cd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3052 = "Qyzylorda Standard Time" 3e6cc8f52f84408159b99dced8c95004c33e80879a9c9ed122f36b23298562cd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1411 = "Syria Daylight Time" 3e6cc8f52f84408159b99dced8c95004c33e80879a9c9ed122f36b23298562cd.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1820 powershell.exe 1820 powershell.exe 3936 3e6cc8f52f84408159b99dced8c95004c33e80879a9c9ed122f36b23298562cd.exe 3936 3e6cc8f52f84408159b99dced8c95004c33e80879a9c9ed122f36b23298562cd.exe 696 powershell.exe 696 powershell.exe 4804 3e6cc8f52f84408159b99dced8c95004c33e80879a9c9ed122f36b23298562cd.exe 4804 3e6cc8f52f84408159b99dced8c95004c33e80879a9c9ed122f36b23298562cd.exe 4804 3e6cc8f52f84408159b99dced8c95004c33e80879a9c9ed122f36b23298562cd.exe 4804 3e6cc8f52f84408159b99dced8c95004c33e80879a9c9ed122f36b23298562cd.exe 4804 3e6cc8f52f84408159b99dced8c95004c33e80879a9c9ed122f36b23298562cd.exe 4804 3e6cc8f52f84408159b99dced8c95004c33e80879a9c9ed122f36b23298562cd.exe 4804 3e6cc8f52f84408159b99dced8c95004c33e80879a9c9ed122f36b23298562cd.exe 4804 3e6cc8f52f84408159b99dced8c95004c33e80879a9c9ed122f36b23298562cd.exe 4804 3e6cc8f52f84408159b99dced8c95004c33e80879a9c9ed122f36b23298562cd.exe 4804 3e6cc8f52f84408159b99dced8c95004c33e80879a9c9ed122f36b23298562cd.exe 4332 powershell.exe 4332 powershell.exe 3200 powershell.exe 3200 powershell.exe 4624 powershell.exe 4624 powershell.exe 4448 powershell.exe 4448 powershell.exe 2864 powershell.exe 2864 powershell.exe 512 injector.exe 512 injector.exe 512 injector.exe 512 injector.exe 512 injector.exe 512 injector.exe 4964 csrss.exe 4964 csrss.exe 512 injector.exe 512 injector.exe 512 injector.exe 512 injector.exe 512 injector.exe 512 injector.exe 4964 csrss.exe 4964 csrss.exe 512 injector.exe 512 injector.exe 4964 csrss.exe 4964 csrss.exe 512 injector.exe 512 injector.exe 512 injector.exe 512 injector.exe 512 injector.exe 512 injector.exe 512 injector.exe 512 injector.exe 512 injector.exe 512 injector.exe 512 injector.exe 512 injector.exe 512 injector.exe 512 injector.exe 512 injector.exe 512 injector.exe 512 injector.exe 512 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 1820 powershell.exe Token: SeDebugPrivilege 3936 3e6cc8f52f84408159b99dced8c95004c33e80879a9c9ed122f36b23298562cd.exe Token: SeImpersonatePrivilege 3936 3e6cc8f52f84408159b99dced8c95004c33e80879a9c9ed122f36b23298562cd.exe Token: SeDebugPrivilege 696 powershell.exe Token: SeDebugPrivilege 4332 powershell.exe Token: SeDebugPrivilege 3200 powershell.exe Token: SeDebugPrivilege 4624 powershell.exe Token: SeDebugPrivilege 4448 powershell.exe Token: SeDebugPrivilege 2864 powershell.exe Token: SeSystemEnvironmentPrivilege 4964 csrss.exe Token: SeSecurityPrivilege 5052 sc.exe Token: SeSecurityPrivilege 5052 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3936 wrote to memory of 1820 3936 3e6cc8f52f84408159b99dced8c95004c33e80879a9c9ed122f36b23298562cd.exe 87 PID 3936 wrote to memory of 1820 3936 3e6cc8f52f84408159b99dced8c95004c33e80879a9c9ed122f36b23298562cd.exe 87 PID 3936 wrote to memory of 1820 3936 3e6cc8f52f84408159b99dced8c95004c33e80879a9c9ed122f36b23298562cd.exe 87 PID 4804 wrote to memory of 696 4804 3e6cc8f52f84408159b99dced8c95004c33e80879a9c9ed122f36b23298562cd.exe 99 PID 4804 wrote to memory of 696 4804 3e6cc8f52f84408159b99dced8c95004c33e80879a9c9ed122f36b23298562cd.exe 99 PID 4804 wrote to memory of 696 4804 3e6cc8f52f84408159b99dced8c95004c33e80879a9c9ed122f36b23298562cd.exe 99 PID 4804 wrote to memory of 1944 4804 3e6cc8f52f84408159b99dced8c95004c33e80879a9c9ed122f36b23298562cd.exe 102 PID 4804 wrote to memory of 1944 4804 3e6cc8f52f84408159b99dced8c95004c33e80879a9c9ed122f36b23298562cd.exe 102 PID 1944 wrote to memory of 996 1944 cmd.exe 104 PID 1944 wrote to memory of 996 1944 cmd.exe 104 PID 4804 wrote to memory of 4332 4804 3e6cc8f52f84408159b99dced8c95004c33e80879a9c9ed122f36b23298562cd.exe 105 PID 4804 wrote to memory of 4332 4804 3e6cc8f52f84408159b99dced8c95004c33e80879a9c9ed122f36b23298562cd.exe 105 PID 4804 wrote to memory of 4332 4804 3e6cc8f52f84408159b99dced8c95004c33e80879a9c9ed122f36b23298562cd.exe 105 PID 4804 wrote to memory of 3200 4804 3e6cc8f52f84408159b99dced8c95004c33e80879a9c9ed122f36b23298562cd.exe 107 PID 4804 wrote to memory of 3200 4804 3e6cc8f52f84408159b99dced8c95004c33e80879a9c9ed122f36b23298562cd.exe 107 PID 4804 wrote to memory of 3200 4804 3e6cc8f52f84408159b99dced8c95004c33e80879a9c9ed122f36b23298562cd.exe 107 PID 4804 wrote to memory of 4964 4804 3e6cc8f52f84408159b99dced8c95004c33e80879a9c9ed122f36b23298562cd.exe 109 PID 4804 wrote to memory of 4964 4804 3e6cc8f52f84408159b99dced8c95004c33e80879a9c9ed122f36b23298562cd.exe 109 PID 4804 wrote to memory of 4964 4804 3e6cc8f52f84408159b99dced8c95004c33e80879a9c9ed122f36b23298562cd.exe 109 PID 4964 wrote to memory of 4624 4964 csrss.exe 110 PID 4964 wrote to memory of 4624 4964 csrss.exe 110 PID 4964 wrote to memory of 4624 4964 csrss.exe 110 PID 4964 wrote to memory of 4448 4964 csrss.exe 115 PID 4964 wrote to memory of 4448 4964 csrss.exe 115 PID 4964 wrote to memory of 4448 4964 csrss.exe 115 PID 4964 wrote to memory of 2864 4964 csrss.exe 118 PID 4964 wrote to memory of 2864 4964 csrss.exe 118 PID 4964 wrote to memory of 2864 4964 csrss.exe 118 PID 4964 wrote to memory of 512 4964 csrss.exe 121 PID 4964 wrote to memory of 512 4964 csrss.exe 121 PID 3908 wrote to memory of 3584 3908 windefender.exe 128 PID 3908 wrote to memory of 3584 3908 windefender.exe 128 PID 3908 wrote to memory of 3584 3908 windefender.exe 128 PID 3584 wrote to memory of 5052 3584 cmd.exe 129 PID 3584 wrote to memory of 5052 3584 cmd.exe 129 PID 3584 wrote to memory of 5052 3584 cmd.exe 129 -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Users\Admin\AppData\Local\Temp\3e6cc8f52f84408159b99dced8c95004c33e80879a9c9ed122f36b23298562cd.exe"C:\Users\Admin\AppData\Local\Temp\3e6cc8f52f84408159b99dced8c95004c33e80879a9c9ed122f36b23298562cd.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3936 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1820
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C:\Users\Admin\AppData\Local\Temp\3e6cc8f52f84408159b99dced8c95004c33e80879a9c9ed122f36b23298562cd.exe"C:\Users\Admin\AppData\Local\Temp\3e6cc8f52f84408159b99dced8c95004c33e80879a9c9ed122f36b23298562cd.exe"2⤵
- Adds Run key to start application
- Checks for VirtualBox DLLs, possible anti-VM trick
- Drops file in Windows directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4804 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:696
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C:\Windows\system32\cmd.exeC:\Windows\Sysnative\cmd.exe /C "netsh advfirewall firewall add rule name="csrss" dir=in action=allow program="C:\Windows\rss\csrss.exe" enable=yes"3⤵
- Suspicious use of WriteProcessMemory
PID:1944 -
C:\Windows\system32\netsh.exenetsh advfirewall firewall add rule name="csrss" dir=in action=allow program="C:\Windows\rss\csrss.exe" enable=yes4⤵
- Modifies Windows Firewall
PID:996
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4332
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3200
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C:\Windows\rss\csrss.exeC:\Windows\rss\csrss.exe3⤵
- Executes dropped EXE
- Adds Run key to start application
- Manipulates WinMonFS driver.
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4964 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4624
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C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:4372
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2396
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4448
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2864
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C:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exeC:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exe taskmgr.exe C:\Users\Admin\AppData\Local\Temp\csrss\injector\NtQuerySystemInformationHook.dll4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
PID:512
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C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:540
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3908 -
C:\Windows\SysWOW64\cmd.execmd.exe /C sc sdset WinDefender D:(A;;CCLCSWRPWPDTLOCRRC;;;SY)(A;;CCDCLCSWRPLOCRSDRCWDWO;;;BA)(D;;WPDT;;;BA)(A;;CCLCSWLOCRRC;;;IU)(A;;CCLCSWLOCRRC;;;SU)S:(AU;FA;CCDCLCSWRPWPDTLOCRSDRCWDWO;;;WD)5⤵
- Suspicious use of WriteProcessMemory
PID:3584 -
C:\Windows\SysWOW64\sc.exesc sdset WinDefender D:(A;;CCLCSWRPWPDTLOCRRC;;;SY)(A;;CCDCLCSWRPLOCRSDRCWDWO;;;BA)(D;;WPDT;;;BA)(A;;CCLCSWLOCRRC;;;IU)(A;;CCLCSWLOCRRC;;;SU)S:(AU;FA;CCDCLCSWRPWPDTLOCRSDRCWDWO;;;WD)6⤵
- Launches sc.exe
- Suspicious use of AdjustPrivilegeToken
PID:5052
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4116
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD53d086a433708053f9bf9523e1d87a4e8
SHA1b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28
SHA2566f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69
SHA512931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a0c408a0adb0027c1f146b5fabc6e62f
SHA117a6d7c1fc5a016e9f4a99ff31f59dcb13a39b8f
SHA256641a4201bdce8f6bace6c9663e260c3d23c65b334a3742ad211d2888dd838e88
SHA512b8056db587ff8367112565d901191724e6bab9ed161b18367dbdfd4242fb28e1a7bf1fe93119b9c3f63e3b3fae30aee5493a5f4110f61458df22a2c1ca07dbcb
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD55911db6c16e7a2469b38da8d14b5a941
SHA182e20b87d07d003815de211a4a3d701947d515b1
SHA25602e566241545cb98530c640e340bf53646755aa5c7fa83144998f6acd70a3668
SHA5120011ee5937c6144d1005a166bd268697762c99a8167aa3f1b01b9d394b33f49c6b19b61d68e50384969d86ccc524943a174660ec6ca37e8a6199212e7c4a8143
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5502bbc1f5845ca276d08234de82c7b1b
SHA1ba9dc928b6c7e2ab71a8c83fccb073f22c55205c
SHA256164be75a6a7998b110e28b3ee0bb4d07949698839735300bb4425faa2d22ddb6
SHA51262238364c8807d1b7d065c611b15048ccb66ff696b71b030b3ec0591f60210f0734ef6297037f8bc4aba68a2b0fa4b82577649aba086ffc83e7254045ebe2f10
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD59f0dbd6dff6d33ef7c96737be43934d5
SHA17e0846370cf0f56aebfc605b28bf40f0d9052393
SHA256d3022f5ba41dd0387b5e7c8049fb2612007b07e2e0154d9b8c4f71c16da4edcd
SHA512c0436f51235b11da5bb53d5706248936f60ebdbf77721dddd4af928db506f9157beb7440f27d352ed6fdedc28ef2f3c83451ef1022f5e7bb8b42d7dd1f333edf
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b60f2e4365af29f13405bcfe756ea2e7
SHA11da60de2b5276796c5b9e614a2702ae38866ee0f
SHA256dea15d170b889a3a11890d47d08eb7f81a63f9db4956641b5c105f420c192166
SHA512a0b0651a5cd6e1542d2c0f0e2bfdaaacee748f45e0014c46ec08606322df85d4d69fa85d4e8e8675a51686bc82b826ff048e49bf2a38b754efacc0c8f9adb50f
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Filesize
4.1MB
MD546c502a3fbe0860867a95e77bdb9955f
SHA1f41ab7484c43c8037353e95f80b191be517eae19
SHA2563e6cc8f52f84408159b99dced8c95004c33e80879a9c9ed122f36b23298562cd
SHA51236dde9178f451b24eb21e0b52231fd73d7cc545cc6a36fe7f34480d805168428d2814bb8f70f89a8bea59cdade4829fbb0e36c675c1a4f9666b90ebbc04f6917
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec